693
CDUS46 KSEW 120828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT THU OCT 12 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 11 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 1225 PM 83 1991 62 -1 68
MINIMUM 50 302 AM 36 1946 48 2 48
AVERAGE 56 55 1 58
PRECIPITATION (IN)
YESTERDAY 0.39 0.89 2011 0.11 0.28 T
MONTH TO DATE 1.29 1.04 0.25 0.01
SINCE OCT 1 1.29 1.04 0.25 0.01
SINCE JAN 1 19.11 24.44 -5.33 25.39
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 10 -1 7
MONTH TO DATE 64 92 -28 27
SINCE SEP 1 172 194 -22 62
SINCE JUL 1 184 249 -65 82
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 5
SINCE SEP 1 26 30 -4 42
SINCE JAN 1 378 263 115 386
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 PM
LOWEST 69 1200 PM
AVERAGE 80
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 72 2006
MINIMUM TEMPERATURE (F) 48 36 2021
SUNRISE AND SUNSET
OCTOBER 12 2023.......SUNRISE 723 AM PDT SUNSET 627 PM PDT
OCTOBER 13 2023.......SUNRISE 725 AM PDT SUNSET 625 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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